Arny, Thomas T. <br/><br/>
Explorations :  an introduction to astronomy / 
Thomas T. Arny and Stephen E. Schneider. 
 - 5th ed. 
 - Boston :  McGraw-Hill,  2008. 
 - xxix, 594 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0072943602 (hbk.) 9780072943603 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy-Textbook.